midori/katze/midori-paths.vala

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Vala
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2013-10-24 03:45:02 +00:00
/*
Copyright (C) 2012 Christian Dywan <christian@twotoasts.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
See the file COPYING for the full license text.
*/
namespace GLib {
#if HAVE_WIN32
extern static string win32_get_package_installation_directory_of_module (void* hmodule = null);
#endif
}
extern const string LIBDIR;
extern const string MDATADIR;
extern const string PACKAGE_NAME;
extern const string SYSCONFDIR;
extern const string MIDORI_VERSION_SUFFIX;
const string MODULE_PREFIX = "lib";
const string MODULE_SUFFIX = "." + GLib.Module.SUFFIX;
namespace Midori {
public enum RuntimeMode {
UNDEFINED,
NORMAL,
APP,
PRIVATE,
PORTABLE
}
namespace Paths {
static string? exec_path = null;
static string[] command_line = null;
static string? runtime_dir = null;
static RuntimeMode mode = RuntimeMode.UNDEFINED;
static string? config_dir = null;
static string? readonly_dir = null;
static string? cache_dir = null;
static string? cache_dir_for_reading = null;
static string? user_data_dir = null;
static string? user_data_dir_for_reading = null;
static string? tmp_dir = null;
namespace Test {
public void reset_runtime_mode () {
mode = RuntimeMode.UNDEFINED;
}
}
public static string get_config_dir_for_reading () {
assert (mode != RuntimeMode.UNDEFINED);
return readonly_dir ?? config_dir;
}
/* returns the path to a user configuration file whose contents should not be modified.
to get the path to save settings, use get_config_filename() */
public static string get_config_filename_for_reading (string filename) {
assert (mode != RuntimeMode.UNDEFINED);
return Path.build_path (Path.DIR_SEPARATOR_S,
readonly_dir ?? config_dir, filename);
}
public bool is_readonly () {
assert (mode != RuntimeMode.UNDEFINED);
return readonly_dir != null;
}
public RuntimeMode get_runtime_mode () {
assert (mode != RuntimeMode.UNDEFINED);
return mode;
}
public static unowned string get_runtime_dir () {
if (runtime_dir != null)
return runtime_dir;
#if HAVE_WIN32
runtime_dir = Environment.get_variable ("XDG_RUNTIME_DIR");
if (runtime_dir == null || runtime_dir == "")
runtime_dir = Environment.get_user_data_dir ();
#else
runtime_dir = Environment.get_variable ("XDG_RUNTIME_DIR");
if (runtime_dir == null || runtime_dir == "") {
runtime_dir = Path.build_path (Path.DIR_SEPARATOR_S,
Environment.get_tmp_dir (), PACKAGE_NAME + "-" + Environment.get_user_name ());
mkdir_with_parents (runtime_dir);
return runtime_dir;
}
#endif
runtime_dir = Path.build_path (Path.DIR_SEPARATOR_S, runtime_dir, PACKAGE_NAME);
mkdir_with_parents (runtime_dir);
return runtime_dir;
}
public static void init (RuntimeMode new_mode, string? config) {
assert (mode == RuntimeMode.UNDEFINED);
assert (new_mode != RuntimeMode.UNDEFINED);
mode = new_mode;
if (mode == RuntimeMode.PORTABLE || mode == RuntimeMode.PRIVATE)
Gtk.Settings.get_default ().gtk_recent_files_max_age = 0;
if (mode == RuntimeMode.PORTABLE) {
config_dir = Path.build_path (Path.DIR_SEPARATOR_S,
exec_path, "profile", "config");
cache_dir = Path.build_path (Path.DIR_SEPARATOR_S,
exec_path, "profile", "cache");
user_data_dir = Path.build_path (Path.DIR_SEPARATOR_S,
exec_path, "profile", "misc");
tmp_dir = Path.build_path (Path.DIR_SEPARATOR_S,
exec_path, "profile", "tmp");
}
else if (mode == RuntimeMode.PRIVATE || mode == RuntimeMode.APP) {
string? real_config = config != null && !Path.is_absolute (config)
? Path.build_filename (Environment.get_current_dir (), config) : config;
readonly_dir = real_config ?? Path.build_path (Path.DIR_SEPARATOR_S,
Environment.get_user_config_dir (), PACKAGE_NAME);
cache_dir_for_reading = Path.build_path (Path.DIR_SEPARATOR_S,
Environment.get_user_cache_dir (), PACKAGE_NAME);
user_data_dir_for_reading = Environment.get_user_data_dir ();
tmp_dir = get_runtime_dir ();
}
else {
string? real_config = config != null && !Path.is_absolute (config)
? Path.build_filename (Environment.get_current_dir (), config) : config;
config_dir = real_config ?? Path.build_path (Path.DIR_SEPARATOR_S,
Environment.get_user_config_dir (), PACKAGE_NAME);
cache_dir = Path.build_path (Path.DIR_SEPARATOR_S,
Environment.get_user_cache_dir (), PACKAGE_NAME);
user_data_dir = Environment.get_user_data_dir ();
#if HAVE_WEBKIT2_A
WebKit.WebContext.get_default ().set_disk_cache_directory (
Path.build_path (Path.DIR_SEPARATOR_S, cache_dir, "web"));
#endif
#if HAVE_WEBKIT2
var cookie_manager = WebKit.WebContext.get_default ().get_cookie_manager ();
cookie_manager.set_persistent_storage (Path.build_filename (config, "cookies.db"),
WebKit.CookiePersistentStorage.SQLITE);
#endif
tmp_dir = get_runtime_dir ();
}
#if HAVE_WEBKIT_1_3_13
if (user_data_dir != null) {
string folder = Path.build_filename (user_data_dir, "webkit", "icondatabase");
#if HAVE_WEBKIT2
WebKit.WebContext.get_default ().set_favicon_database_directory (folder);
#elif HAVE_WEBKIT_1_8_0
WebKit.get_favicon_database ().set_path (folder);
#elif HAVE_WEBKIT_1_3_13
WebKit.get_icon_database ().set_path (folder);
#endif
}
#endif
if (strcmp (Environment.get_variable ("MIDORI_DEBUG"), "paths") == 0) {
stdout.printf ("config: %s\ncache: %s\nuser_data: %s\ntmp: %s\n",
config_dir, cache_dir, user_data_dir, tmp_dir);
}
}
public static void mkdir_with_parents (string path, int mode = 0700) {
/* Use g_access instead of g_file_test for better performance */
if (Posix.access (path, Posix.F_OK) == 0)
return;
int i = path.index_of_char (Path.DIR_SEPARATOR, 0);
do {
string fn = path.substring (i, -1);
if (Posix.access (fn, Posix.F_OK) != 0) {
if (DirUtils.create (fn, mode) == -1) {
/* Slow fallback; if this fails we fail */
DirUtils.create_with_parents (path, mode);
return;
}
}
else if (!FileUtils.test (fn, FileTest.IS_SYMLINK))
return; /* Failed */
i = path.index_of_char (Path.DIR_SEPARATOR, i);
}
while (i != -1);
}
public static void remove_path (string path) {
try {
var dir = Dir.open (path, 0);
string? name;
while (true) {
name = dir.read_name ();
if (name == null)
break;
remove_path (Path.build_filename (path, name));
}
}
catch (Error error) {
FileUtils.remove (path);
}
}
public static unowned string get_config_dir_for_writing () {
assert (config_dir != null);
mkdir_with_parents (config_dir);
return config_dir;
}
public static string get_extension_config_dir (string extension) {
assert (config_dir != null);
string folder;
if ("." in extension)
folder = Path.build_filename (config_dir, "extensions", extension);
else
folder = Path.build_filename (config_dir, "extensions",
MODULE_PREFIX + extension + "." + GLib.Module.SUFFIX);
mkdir_with_parents (folder);
return folder;
}
public static string get_extension_preset_filename (string extension, string filename) {
assert (exec_path != null);
string preset_filename = extension;
if (extension.has_prefix (MODULE_PREFIX))
preset_filename = extension.split (MODULE_PREFIX)[1];
if (extension.has_suffix (MODULE_SUFFIX))
preset_filename = preset_filename.split (MODULE_SUFFIX)[0];
return get_preset_filename (Path.build_filename ("extensions", preset_filename), filename);
}
/* returns the path to a user configuration file to which it is permitted to write.
this is also necessary for files whose state is synchronized to disk by a manager,
e.g. cookies. */
public static string get_config_filename_for_writing (string filename) {
assert (mode != RuntimeMode.UNDEFINED);
assert (config_dir != null);
mkdir_with_parents (config_dir);
return Path.build_path (Path.DIR_SEPARATOR_S, config_dir, filename);
}
public static unowned string get_cache_dir () {
assert (cache_dir != null);
return cache_dir;
}
public static unowned string get_user_data_dir () {
assert (user_data_dir != null);
return user_data_dir;
}
public static unowned string get_user_data_dir_for_reading () {
assert (user_data_dir_for_reading != null || user_data_dir != null);
if (user_data_dir != null)
return user_data_dir;
return user_data_dir_for_reading;
}
public static unowned string get_cache_dir_for_reading () {
assert (cache_dir_for_reading != null || cache_dir != null);
if (cache_dir != null)
return cache_dir;
return cache_dir_for_reading;
}
public static unowned string get_tmp_dir () {
assert (tmp_dir != null);
return tmp_dir;
}
public static string make_tmp_dir (string tmpl) {
assert (tmp_dir != null);
#if HAVE_GLIB_2_30
try {
return DirUtils.make_tmp (tmpl);
}
catch (Error error) {
GLib.error (error.message);
}
#else
string folder = Path.build_path (Path.DIR_SEPARATOR_S, Environment.get_tmp_dir (), tmpl);
DirUtils.mkdtemp (folder);
return folder;
#endif
}
public static void init_exec_path (string[] new_command_line) {
assert (command_line == null);
command_line = new_command_line;
#if HAVE_WIN32
exec_path = Environment.get_variable ("MIDORI_EXEC_PATH") ??
win32_get_package_installation_directory_of_module ();
#else
string? executable;
try {
if (!Path.is_absolute (command_line[0])) {
string program = Environment.find_program_in_path (command_line[0]);
if (FileUtils.test (program, FileTest.IS_SYMLINK))
executable = FileUtils.read_link (program);
else
executable = program;
}
else
executable = FileUtils.read_link (command_line[0]);
}
catch (Error error) {
executable = command_line[0];
}
exec_path = File.new_for_path (executable).get_parent ().get_parent ().get_path ();
#endif
if (strcmp (Environment.get_variable ("MIDORI_DEBUG"), "paths") == 0) {
stdout.printf ("command_line: %s\nexec_path: %s\nres: %s\nlib: %s\n",
get_command_line_str (true), exec_path,
get_res_filename (""), get_lib_path (PACKAGE_NAME));
}
}
public static unowned string[] get_command_line () {
assert (command_line != null);
return command_line;
}
public static string get_command_line_str (bool for_display) {
assert (command_line != null);
if (for_display)
return string.joinv (" ", command_line).replace (Environment.get_home_dir (), "~");
return string.joinv (" ", command_line).replace ("--debug", "").replace ("-g", "")
.replace ("--diagnostic-dialog", "").replace ("-d", "");
}
public static string get_lib_path (string package) {
assert (command_line != null);
#if HAVE_WIN32
return Path.build_filename (exec_path, "lib", package);
#else
string path = Path.build_filename (exec_path, "lib", package);
if (Posix.access (path, Posix.F_OK) == 0)
return path;
if (package == PACKAGE_NAME) {
/* Fallback to build folder */
path = Path.build_filename ((File.new_for_path (exec_path).get_path ()), "extensions");
if (Posix.access (path, Posix.F_OK) == 0)
return path;
}
return Path.build_filename (LIBDIR, PACKAGE_NAME);
#endif
}
public static string get_res_filename (string filename) {
assert (command_line != null);
#if HAVE_WIN32
return Path.build_filename (exec_path, "share", PACKAGE_NAME, "res", filename);
#else
string path = Path.build_filename (exec_path, "share", PACKAGE_NAME, "res", filename);
if (Posix.access (path, Posix.F_OK) == 0)
return path;
/* Fallback to build folder */
path = Path.build_filename ((File.new_for_path (exec_path)
.get_parent ().get_parent ().get_path ()), "data", filename);
if (Posix.access (path, Posix.F_OK) == 0)
return path;
return Path.build_filename (MDATADIR, PACKAGE_NAME, "res", filename);
#endif
}
/* returns the path to a file containing read-only data installed with the application
if @res is true, looks in the midori resource folder specifically */
public static string get_data_filename (string filename, bool res) {
assert (command_line != null);
string res1 = res ? PACKAGE_NAME : "";
string res2 = res ? "res" : "";
#if HAVE_WIN32
return Path.build_filename (exec_path, "share", res1, res2, filename);
#else
string path = Path.build_filename (get_user_data_dir_for_reading (), res1, res2, filename);
if (Posix.access (path, Posix.F_OK) == 0)
return path;
foreach (string data_dir in Environment.get_system_data_dirs ()) {
path = Path.build_filename (data_dir, res1, res2, filename);
if (Posix.access (path, Posix.F_OK) == 0)
return path;
}
return Path.build_filename (MDATADIR, res1, res2, filename);
#endif
}
/* returns the path to a file containing system default configuration */
public static string get_preset_filename (string? folder, string filename) {
assert (exec_path != null);
#if HAVE_WIN32
return Path.build_filename (exec_path, "etc", "xdg", PACKAGE_NAME, folder ?? "", filename);
#else
foreach (string config_dir in Environment.get_system_config_dirs ()) {
string path = Path.build_filename (config_dir, PACKAGE_NAME, folder ?? "", filename);
if (Posix.access (path, Posix.F_OK) == 0)
return path;
}
return Path.build_filename (SYSCONFDIR, "xdg", PACKAGE_NAME, folder ?? "", filename);
#endif
}
public static void clear_icons () {
assert (cache_dir != null);
assert (user_data_dir != null);
#if HAVE_WEBKIT2
WebKit.WebContext.get_default ().get_favicon_database ().clear ();
#elif HAVE_WEBKIT_1_8_0
WebKit.get_favicon_database ().clear ();
#elif HAVE_WEBKIT_1_3_13
WebKit.get_icon_database ().clear ();
#endif
/* FIXME: Exclude search engine icons */
remove_path (Path.build_filename (cache_dir, "icons"));
remove_path (Path.build_filename (user_data_dir, "webkit", "icondatabase"));
}
public static Gdk.Pixbuf? get_icon (string? uri, Gtk.Widget? widget) {
if (!Midori.URI.is_resource (uri))
return null;
int icon_width = 16, icon_height = 16;
if (widget != null)
Gtk.icon_size_lookup_for_settings (widget.get_settings (),
Gtk.IconSize.MENU, out icon_width, out icon_height);
#if HAVE_WEBKIT2
/* TODO async
var database = WebKit.WebContext.get_default ().get_favicon_database ();
database.get_favicon.begin (uri, null); */
#elif HAVE_WEBKIT_1_8_0
Gdk.Pixbuf? pixbuf = WebKit.get_favicon_database ()
.try_get_favicon_pixbuf (uri, icon_width, icon_height);
if (pixbuf != null)
return pixbuf;
#elif HAVE_WEBKIT_1_3_13
Gdk.Pixbuf? pixbuf = WebKit.get_icon_database ().get_icon_pixbuf (uri);
if (pixbuf != null)
return pixbuf.scale_simple (icon_width, icon_height, Gdk.InterpType.BILINEAR);
#else
if (Midori.URI.is_http (uri)) {
try {
uint i = 8;
while (uri[i] != '\0' && uri[i] != '/')
i++;
string icon_uri = (uri[i] == '/')
? uri.substring (0, i) + "/favicon.ico"
: uri + "/favicon.ico";
string checksum = Checksum.compute_for_string (ChecksumType.MD5, icon_uri, -1);
string filename = checksum + Midori.Download.get_extension_for_uri (icon_uri) ?? "";
string path = Path.build_filename (get_cache_dir_for_reading (), "icons", filename);
Gdk.Pixbuf? pixbuf = new Gdk.Pixbuf.from_file_at_size (path, icon_width, icon_height);
if (pixbuf != null)
return pixbuf;
}
catch (GLib.Error error) { }
}
#endif
if (widget != null)
return widget.render_icon (Gtk.STOCK_FILE, Gtk.IconSize.MENU, null);
return null;
}
}
}